alterations guide

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Stratomaster Enigma Alterations Guide

Stratomaster

Enigma

Alterations Guide

Version date: 22 May 2007

Version: 1.0.0.1 A

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Introduction

About this guide

This document serves as a guide to those that have never designed a screen for anEnigma instrument and would like to know how to change the look of the Enigmascreens. The guide is not intended as a complete reference guide to the experienceddistributor that needs to perform complex alterations to, for example, the engine setup onbehalf of a client. If in doubt, contact your local distributor, or MGL Avionics.

Getting Started

You do not need to own Enigma hardware to be able to design and test your owncustomized Enigma screens. The Windows PC based integrated simulation and screen

design software offers you an environment in which you can design and test the screens,without ever switching on any other hardware other than your Windows PC.

Requirements

To modify and test your Enigma screen designs, you will need:

A Laptop or Desktop PC (with at least +/- 5 MB free hard disk drive space) runningWindows 98, 2000, XP or Vista

Enigma Simulator and Screen Designer executable: EnigmaSimulator.exe(download latest version from http://www.mglavionics.co.za/Enigmapage.html)

Enigma User Manual (download latest version of the user manual fromhttp://www.mglavionics.co.za/EnigmaDoc.html)

If you are not familiar with the menu system and system setup of Enigma, you should atleast read through the first half of the user manual. Some of the basics will be repeated inthis document, but the user guide will provide valuable insight into how the whole systemfits together.

Disclaimer

It is the responsibility of the screen designer to seek help if in doubt, and to double checkchanges made. For example: make very sure that you select the right units, understandwhere the limits are set for display items, etc. If you switch off the engine and what youbelieve to be an RPM display reads 5000 RPM's, you have mapped something incorrectly(or something is faulty)! At the same time: if your VSI reads +10 fpm while the aircraft isstationary, we could overlook the reading as a fluctuation in the static pressure.

It is the responsibility of the aircraft builder and pilot to independently verify that theinstallation and screen designs are providing the correct information to the pilot incommand. MGL Avionics and their appointed distributors cannot be held responsible forincorrect installations or incorrect setup or modifications to the standard Enigma software.Refer to the document entitled Enigma Disclaimer for more detail.

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Installing the Enigma Simulator and Screen Designer

Once you have the EnigmaSimulator.exe downloaded, run it. The installation is verysimple as long as you stick to the default setup.

Click Next.

Click Next.

Click Next.

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Click Next.

Click Install.

Click Finish.

Simple as that.

Once you have installed the simulator, run it (that is if you removed the tick from theLaunch box else it should be running already).

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Using the Enigma keypad

The intention behind keypad usage is to minimize pilot interaction with Enigma during

flight. For this reason, key presses are kept to a minimum and functions are arranged suchthat access any item is fast and un-complicated. The graphic below shows basic keyusage whenever one of the nine main display screens is showing. The only time thisschema does not apply is when you have activated one of the menus.

In the simulator you will be using the left mouse button to press the keys on the keypad.

If the simulator pops up a small window requesting that you press the number 1 on thekeypad to continue, use your mouse to press the number 1 key on the keypad.

If at any time an alarm starts flickering, press the ACK button (located bottom left) usingthe mouse to acknowledge the alarm.

Items on the main screen

Enigma supports up to nine screens. Each of these screens is fully user programmable, ifdesired starting from a blank screen. Using the Windows PC based Enigma screen

designer and simulator (which you have just installed), you can choose from hundreds of

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Shift key to

access second

level key

functions

Decrease local

pressure setting

for altimeter

Enter menu

system

If route active, goto

next waypoint.

Secondary function:

page info screen

Increase local

pressure setting

for altimeter

If map showing,

zoom out

If map showing,

zoom in

If route active, goto

previous waypoint.

Secondary function:

page info screen

Mark current GPS

position as waypoint

and write to special

route markers file

Keys 1 to 9 select main display

screens. If shift active, item above

key is selected.

Use mouse to press keys!

Enigma simulator and

display designer

Drop Down Menu

Acknowledge

currently

active alarms

Project Name:

Lycoming 6 1 tank FF

SD/MMC

card slot,

Simulated

as

..\MMC

on HDD


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instruments and display items and arrange these as you require - influencing operationaldetails, appearance and size.

Each screen may be built up from up to three separate areas. These are labeled Flight,Engine and Info. Each screen may have all of these or none (in which case the screenis blank). Each screen may have up to five info areas which can be paged using theleft/right arrow keys. At a minimum, a screen has a single area. This may be any type.Despite the naming of the areas, any area may contain any possible instrument or displayitem for unlimited flexibility.

The term area is used loosely. While the standard screens split the display into areas,this is completely arbitrary and areas may overlap in any way you like.

Example: standard screen number one

This is the standard EFIS screen defined as screen 1 as shipped with a new Enigma.

Please note that it is possible for a distributor or aircraft installer to change or modify thisas may be required.

Organization of screen files

Screen files contain information describing position and attributes of the instruments anddisplay items they contain.

The filename of a screen file dictates which of the display screens the file will be used on.By renaming the file, you can move the file to another screen.

In keeping with the three possible areas per screen, the filenames are called FlightN.efm,EngineN.eem and InfoNM.eim. Replace N with a number 1-9 to indicate the screen touse for the file. For the info file replace M with A,B,C,D or E to indicate the info filesequence (you can have up to five info areas per screen).

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Info area

Filename: Info1a.eim

Engine area

Filename: Engine1.eem

Flight area

Filename: Flight1.efm


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Switching Simulation Demo mode on

Before we have a look at how to design screens, let's take a look at the simulator. Thesimulator can be set up in one of two modes:

1) Demo On (user can not influence the simulated sensors measurements)2) Demo Off (user can select/set/simulate sensor values)

We will now switch the unit into demo mode (if it is not already in demo mode). Theprocedure would be exactly the same if you were using a real Enigma! (A real Enigma alsohas a demo mode.)

Press the menu key twice (using the mouse), taking you to Main menu level 2

From Main Menu level 2, select by pressing

Select by pressing

Select using the down key

If there is a red tick in the box next to the title Demo mode, then the unit is in demomode. If there is not red tick in the box, press the 7 key (and the tick will appear).

Simulator inputs

The simulator offers the designer the option to simulate more than just the Enigma EFISscreens. You can also simulate the sensors values being measured:

Pressure Sensors (Pressure Altitude, Airspeed and AOA)

RDAC (interface to the engine parameters, including fuel levels, flow, etc)

AHRS (like SP3hc or SP4 and SP2 combination)

GPS (select position and velocity for navigation)

VOR/ILS

I/O Extender (Analog and Digital inputs and outputs)

By dragging the slider bars, the user can simulate the require sensor measurements totest the screen design. The simulator only makes provision for one RDAC unit.

We will get back to this functionality at a later point in time.

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Copying an existing screen/project

Let us start off by duplicating an existing screen. If you don't feel happy having to copy

files yourself (using Windows tools), continue reading for an alternative method.At the top of the instrument you should see the name of the current project, for exampleRotax 912 1 tank FF.

Using the Simulator Drop Down Menu,create a new project:

Project -> Create new project

Type in a name (I used the nameQuickStart 1), click OK, and click OKagain when the simulator acknowledgesthat the new project has been created.

You should now see a blank/blue screen in the Simulator Window. Don't panic: this is what

we expect! This project (we created) is completely blank. None of the 9 screens havebeen defined.

We need to manually copy the contents of an existing project into the newly createddirectory. At this point use a tool like Windows Explorer or Windows/Total Commander tocopy the contents of an existing project into the new project directory. Unless you havechanged the default destination, the location of your new project is:

C:\Program Files\Enigma tools\Enigma SIM\QuickStart 1

Now copy the contents of the directory

C:\Program Files\Enigma tools\Enigma SIM\Rotax 912 1 tank FF

into the directory ..\QuickStart 1 - replacing all existing files (click Yes to all if asked).

Figure 1: Contents of directory ..\Rotax 912 1 tank FF

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Figure 2: Simulated Flash drive contents for QuickStart 1 project

If you browse through the subdirectory Flash located under ..\QuickStart 1, some of thefilenames should look familiar. Looking at figure 2, we can deduce quite a bit about theproject we copied just by looking at the files contained in the Flash directory:

There is an Engine area on each of the first four screens.

There is a Flight area on each of the first six screens.

There are 2 Info areas/sections on each of the first four screens

There are no screen definitions for screens 7, 8 or 9!

We will get back to the Splash.MIF file (startup screen picture file).

For more info on the Airports.EWD and Waypoint.EWD files see the Enigma UserManual

You can now switch back to the Simulator Window and have a look the screens you havejust copied into the new project (by pressing the key on the keypad using the mouse).

Alternative method to copy an existing Project

Now that we have gained some insight into how the project is structured in the simulator, itis time to introduce a second method to duplicate an existing project. If you are happy with

the first method, you do not have to bother reading this section.

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We will create a second new project called QuickStart 2.

I am assuming you have followed all of the steps up to this point in time (your QuickStart 1project is running).

From the Simulator drop down menu,select Mode, Design.

This will open up a new window with

entitled Screen designer.

From this new window, select Projectfrom the drop down menu, and selectMake new, blank project.

Under Directory Name, type in the nameof your project. (I used QuickStart 2 asan example.)

If the directory does not exist, Windows will request confirmation to create this directory.Click Yes!

You will receive confirmation that the new, blank project has been created. Click OK.

The simulator will not automatically switch to the new project.

Now we want to duplicate the contents of the existing Rotax 912 project.

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From the Screen designer window, selectProject-> Copy existing project.

You should see all the project currently in thesimulator directory. Also notice the MMC card(SD/MMC card contents being simulated).

Select the Rotax 912 1 tank FF project as thesource.

Click OK on the next dialog box.

Left double click on the target directory(till you can see the contents of it QuickStart 2 in our example case).

Click OK, and OK again on the next confirmation window.

If you want to switch to the new project, you need to close the Screen designer, and in theSimulator select opening the project. If you would like, open project QuickStart 2 and see it

fly (assuming it is in demo mode)!

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Modifying an existing screen

Now we are ready to make some changes to the layout of screen number 2 of project

QuickStart 1. From the main Simulator drop down menu, select Open an existing project,and open project QuickStart 1 (if it is not currently the active project).

If you want to modify screen 2, you have to select screen 2 before selecting Designmode. Press button 2 on the keypad (using the left mouse button). From the Simulatordrop down menu list select Mode->Design.

From the Screen designer window, select Module->Design Flight Module. You will see anumber of items have disappeared from screen 2 (in the Simulator window). You are leftwith only the components that are defined under the Flight module/area. Each item in theSimulator window, is listed under Items in current module, to be found on the left side ofthe Screen designer window (which is now entitled Designing module Flight2.EFM).

Tip: do not try and drag-and-drop items in the Simulator window using the mouse. Youshuffle things around using the property editor that you get access to via the ScreenDesigner window.

The file name Flight2.EFM (visible in both the Screen design and the Simulator windows)

implies that we are currently modifying the Flight area of screen 2.

If we now double-click on the item Airspeed, analog contained under the list Items incurrent module, you will see a third window pop up, namely Airspeed analog item editor(here after referred to as the item editor for short).

By clicking with the mouse on either of the two hands pointing down (10 vs 1 pixel down),we can shift the dial down. Notice how many items (visually associated with the dial) staybehind! Depending on which type of text or other items you add, you can make itimpossible for any pilot to figure out the units and the meaning of display items. You canadd a text item reading VSI to an EGT bargraph!

It is the responsibility of the screen designer to make sure the units are clear to the user.

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Figure 3: Analog airspeed item editor

Figure 4: Airspeed, analog item moved down

How does one delete an item from the screen?

Right click on the VSI, analog item in the left hand panel of the Screen designer windowusing the mouse, and select Delete. You will notice the VSI item (that use to be therightmost dial on screen 2) has disappeared. While you are at it, delete the item Text:Vertical speed and the last / third Units Text item (if you open the property manager ofthe item, it reads VSI units under Unit item type).

How does one add an item to the screen?

If you have been following this guide meticulously, you should have enough space to fit anRotor/Engine RPM combo item in. Left click on the Rotor/Engine RPM combo itemlocated on the right hand side of the Screen designer window (labeled Available items),and drag the item to the left hand side of the window (labeled Items in current Module).

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Open the properties window for this item (double click on it), and use the hands to move itinto position. Your screen should now look like this:

How does one change the legend numbers on the Airspeed, analog item?

The properties (range of the legend) is determined using the Flight Instrument Setupmenu. You have to go back to the Simulator window if you want to change the legend toreflect your aircraft's properties. Let's quickly do it.

Before we continue: if you have looked at, and understand, the material presented in theUser Manual, you should find this section easy going. Back to business.

Step one: close the Screen designer window (your changes will be saved). Notice themess we have created - the Airspeed indicator badly overlaps with the information areas!

With freedom and power comes responsibility! We are not worried about that right now.

Figure 5: Look at the mess we have created! Clearly areas may overlap!

Press the Menu key twice. You should see a screen reading Main Menu Level 2 withthe option System setup menu

Press 5 on the keypad, and have a look at the System SetupMenu.

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Select 6: Flight instrument setup

And then 2: Airspeed indicator setup, andthen 1: ASI instrument scale.

Using the keypad, punch in 500 and pressEnter.

Press the Menu button twice to get back to the System Setup Menu. Now press 2:System Units Setup.

Press 3 to change the Speed units tokilometers. Now press Menu three times toget back to our new (ruined) screen number 2- alternatively press Enter once! Now selectDesign mode again (from the Simulationwindow's Mode drop down list).

Notice two changes on screen 2:

1) The Airspeed dial now has a limit of 500 km/h.

2) And, km/h where we use to have mph (page back tofigure 5 if you have not noticed it previous).

The offset between the legend for the dial, and the dial itself canbe corrected, since they can be moved relative to each other.However, to really fix this one up, one would also have to eitherchange the font, or increase the radius of the Airspeed dial (anddecrease the radius of the legend).

And that concludes the first introductory lesson on how not tospoil a perfectly working screen!

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How does the screen drawing work?

To better understand why some funny things might be happening, let's just quickly look

at how the screen drawing works.The screen essentially consists of two layers: the foreground and the background. Itemsthat do not change, or not frequently, (like the roundel of the analog airspeed indicator,some text legends, etc) resides on the background layer. Items like the needle of theanalog airspeed indicator, the numeric VSI readout, etc, are located on the foregroundlayer. An item like Drawing primitives property editor can be forced onto the foregroundto prevent it from being overwritten by other items within the same area definition.

Two other factors influence the sequence in which items are drawn:

1) the order in which they appear in the Screen Designer window list and2) in which area (Flight, Engine or Info) they are defined

Although it is not a requirement at all, the easy rule of thumb is to separate the three areaclasses. If in doubt, have a look a the existing example screens, or contact your distributor.

We will come back to the importance of item listing in the screen design window a bit later,once we have had a look the the wind indicator as an example.

Info Area design

Info areas allow the Enigma user to select between sub-screens in real time. If you pressthe right arrow/cursor button on a screen for which more than one Info area has beendefined, an area on the screen changes. If we select the standard screen 3, you can selectbetween the following two info screens using left and right arrow keys:

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Some more Items

A large number of the items listed under the property manager should be fairly selfexplanatory, but a number of them are not that simple to figure out. We will have a quick

look at a few of these items to get you going.

Wind Indicator

This wind indicator has been built up using four items:

1. Wind vector arrow,

2. Text item: GPS Wind speed,

3. a Units text item set to speed units, and

4. a Drawing primitives item (circle filled)

Using a number of simple items, one can build an elegant, complex component. The bestway to get to know each of the little building blocks, is to take some of the existing screensapart!

You might have noticed that the Units text item has aninteresting property, namely Trail last text. If you un-tick thisbox, you can move the units around using the standardmethod (using the hands).Question is: which text will it trail? How does it know we wantit to trail the GPS wind speed text item?

The answer is: through correctly ordering the items in the screen designer window! Let's

have a closer look at this feature.

Item order in Screen Designer Window

The Items in current module can be moved up or downby clicking on the item using the right mouse button.

Given the current location of the units text item (mph text)it will trail the GPS wind speed text item.

However, if we move the item up until it is located just

below the horizon, it will trail the horizon! Although it mightsound like a horrible mistake, it allows the user a lot ofdesign freedom, that could be very useful. With freedomcomes responsibility!

Special text item

Common parameters like, for example, battery supply voltage, airspeed, date, fuel flowrate, etc, can be displayed using this text item.

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Notice the help button at the bottom of the properties dialog box. Some items provideintegrated help functions. More will follow!

There are three font styles available to choose from: normal,transparent and edged. Let's have a quick look at the differencesin appearance.

Normal style font:

Transparent font (no background or edge visible):

Edged font with black background defining the color of the edge:

You can specify the background and font (foreground) color.

Changing background to Red:

Zero padding of 6 (number of characters to display, including period):

Using the Leading zero padding selector:

A secondary font can be used to improve readability of large numbers,or indicate a fractional part of a number. Although the exact number isdisplayed, the secondary font makes it easier view the most significantdigits at a quick glance.

Alarm message field

If you have been following all the steps in this guide, you have probably pressed the alarmacknowledge button (ACK) by now... which implies that if you would like to edit the alarm

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field on your screen, it is probably no longer visible! One option would be to quit thesimulator, and restart it. A fake alarm will be issued on startup. Alternatively, you cangenerate an active alarm to design the alarm field.

You can take the unit out of demo mode and inflict multiple failures! To take control of theRDAC, pressure sensors, etc deselect demo mode using the keys menu twice (takingyou to Main menu level 2), and then selecting System Setup Menu, System operationsetup, page down using the down key, and deselect Demo Mode (by pressing the 7key).

From the Simulator window select Sensorsimulation and then Show RDAC X D.

Switch the RDAC on (use the mouse to pressthe Switch RDAC on/off button), and Enigma'salarms will light up like a Christmas tree!

Copy and Paste

Items can be copied and pasted to andfrom a clip board. The function allowsone to quickly copy componentsbetween screens. Use the left mousebutton to select the first item, and thenthe standard Windows principles toselect multiple items using the Ctrland/or Shift keys. Once you have theitems selected, click the right mouse

button, or use the menu dropdown listItem to Copy or Cut the selecteditems. Exit the design module, selectthe screen you would like to copy theitems to, go back to design mode, andselect the paste option you would like(copy to top of list, etc)!

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Line Bargraph item

The line bargraph is worthy of special mention. It can be used to display EGT, AOA,Engine RPM, Oil pressure, etc. Since this item is frequently used, and modified by users,

to display EGT/CHT information, we will pay special attention to this item. The CHT/EGTdisplay design is also one of the more involved designs and setups to perform.

Not all controls are applicable to all data sources. For example:

If you are drawing a bargraph of AOA, it does not matter what RDAC you select.

If you are using the oil pressure or fuel flow as the data source, the Number ofchannels override and EGT/CHT channel (from if more than one) are notapplicable (and will be ignored).

Note: there is no way for the RDAC (engine monitoring interface box) to know if you have

connected a thermocouple (TC) to its input or not. The RDAC also has no means ofdistinguishing between a EGT and a CHT probe! So, it remains the responsibility of theinstaller/system designer to ensure that the screen design and instrument setup matchesthe connected hardware! If in doubt, ask for assistance!

Number of channels override should be interpreted as: if a non-zero value is selectedhere, the screen designer will force this number of channels to be displayed. The numberof channels selected under the CHT Setup and EGT Setup menus will be ignored. If thefield is left zero, the instrument setup (CHT Setup or EGT Setup) will determine thenumber of EGT/CHT channels to display.

If you are not familiar with the Enigma's CHT Setup Menu, then let's take one step back. I

will assume by now you can find your way to the CHT setup under Engine Monitoring

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Vertical Size of

the bars

Width of each bar

Pixels betweenmultiple bars

Zero implies Menu

Setup selection of

number of Channels

Non-zero implies

fixed number of

channels specified

by Screen Design,

not Setup Menu!Data source to be

displayed

What RDAC

number is the

source?

Help!

Standard item

Controls

Offset/First Channel

to be used/displayed

(only for EGT/CHT)


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under the System Setup menu (and that you have had a look at the Enigma User Manual).

Under the CHT setup menu, have a look at the two types of probes:

1) Dual Rotax NTC Probes

2) Thermocouple CHT Probes

The Rotax 912 engine is special: it has two negativetemperature coefficients (NTC) CHT probes. The Enigmamakes special provision for these engines both under the

bargraph data source and in the instrument CHT setup menu.If a number higher than 2 is specified under the Number ofchannels override, this number will be ignored given wehave selected to use Rotax 912 CHT as the data source.

See the Enigma User Manual for more information regardCHT and EGT menu setup.

Let's have a quick look at screen 1 from the standard Lycoming 6 1 tank FF project.

The numbers at the top indicate the channel number (example cylindernumber 6) and the values of the EGT and CHT temperatures (example

101 degrees Celcius).If we look at the CHT definition, we see some interesting properties

There is no tick in the Show digital readout box.The numeric values are displayed using an itemlabeled Text: Engine 1 Scanning CHT

The number of channels are specified as 6.

The thermocouple channel offset (EGT/CHTchannel) is specified as EGT/CHT channel 7.The first 6 channels are being used to measure

the EGTs.Have a look what happens if you take the simulation out of demo mode, switch the RDACsimulation on, and crank up TC 6...

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EGT/CHT

Channel 6

High!


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Defining a Black Box recording file

The recording functionality of the Enigma is described inthe User Manual. Have a look at the available recording

options under Flight data recording setup menu.Here we will only have a look at how to create the recording file required to log flight data.

From the Enigma simulator window,select Project->Create blank recordingfile.

The Create blank recording file windowprovides the user with some basicrecording file information.

Using the bullet list, specify the requiredrecording file size.

Once you have made you selection offile size, click the Create file button.

A dialog box will pop up to acknowledgethat the file has been created.

You can confirm the creation of thefile using Windows Explorer as abrowser.

Copy this file (Enigma.rec) into the root directory of the SD/MMC memory card that you willbe using with your Enigma EFIS.

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Creating your own Splash (Startup) Screen

You will need:

A bitmap picture of your choice (*.BMP, 320x240 pixel resolution)

The Enigma BMP to MIF converter tool (can be downloaded free of charge fromhttp://www.mglavionics.co.za/Software/EnigmaBMPtoMIF.exe)

The Enigma BMP to MIF program is used to convert images in Windows BMP format toEnigma MIF format. You can use this program to make your own startup screen (Splashscreen) and aircraft layout backdrops for the Weight and Balance calculator.

For the example I have transformed the BMP image into a grayscale image, beforeprocessing it into an MIF. One can use a color image, but the color depth is limited toEnigmas 256 colors.

Run the Enigma BMP image to MIF format converter program.

Load an image file (and remember the location), select the resolution as 320x240 (default)and press the process button. The new MIF image will be located in the same directory asthe source (BMP) file.

If the original file was not named Splash.BMP, rename the new *.MIF file to Splash.MIF,and copy the Splash.MIF file into the Flash directory of your current project.

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Select the BMP

image to beprocessed

Process the BMPfile into a MIF file

Select 320x240

pixel resolution
http://www.mglavionics.co.za/Software/EnigmaBMPtoMIF.exehttp://www.mglavionics.co.za/Software/EnigmaBMPtoMIF.exehttp://www.mglavionics.co.za/Software/EnigmaBMPtoMIF.exehttp://www.mglavionics.co.za/Software/EnigmaBMPtoMIF.exe


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Now you should see your own pretty picture during startup (of the simulator).

Now how does one transfer the splash screen to a real instrument? You have two options:

1. copy the splash.mif file as a single file using Enigma's disk management tools, or

2. use the script file.

The process of copying files to a real Enigma will be discussed in the next section.

Copying files to Enigma

Let's assume you have updated one or more screens that you would like to load onto yourEnigma. You basically have two options: create a batch library file and load everythingonto Enigma in one go, or copy files individual using the Enigma Disk Tool. The process oftransferring data to and from Enigma, is also described in the User Manual.

Creating and installing a batch library file onto Enigma

Once you are happy with your changesto the screens, select Properties->Create batch library from current setup,no sound from the Simulator windowdrop down menu.

Alternative, you could create a batch library file that includes sound and your new splashscreen. If you don't have a sound file, you can download the default file from

http://www.mglavionics.co.za/Sounds.esd and copy it into your ..\Engima SIM directory.

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http://www.mglavionics.co.za/Sounds.esdhttp://www.mglavionics.co.za/Sounds.esdhttp://www.mglavionics.co.za/Sounds.esdhttp://www.mglavionics.co.za/Sounds.esd


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Select the filename for your ESL file.Remember that the length of the filename needs to be eight characters orless.

Now copy the Quick1.esl file onto your real SD card (or simulate this operation bycopying the file into the directory ..\Enigma tool\Enigma SIM\MMC\).

No go to Main menu level 2 (press/click menu button twice from a non-menu screen),

select Common tasks,

Execute script library,

Look on ... SD,

Select the file,

And execute it!

Copying individual screen description files to Enigma

Alternatively you could copy your screen layout files to your Enigma using the diskmanagement tools. I will assume you have some screen files (for example Flight2.efm,Intro2A.eim, Engine2.eem) that you would like to transfer to either a real Enigma, or thesimulated EFIS. Once you have the files copied into the root directory of your SD card (orsimulated card),

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Go to Main menu level 2 (page 2, using downbutton), and select Disk tool.

Select Copy file from SD/MMC to Flash

Using the numeric keypad select the files youwould like to copy from the SD/MMC card to theFlash drive where (amongst other things) screenlayouts are stored.

Now, if you are running the simulator, the system might not be happy if you push the Enter

key (will possibly crash)! Press menu to end the task. The simple workaround on aWindows PC is to use Windows Explorer or Windows/Total Commander, or similar to copythe file.

However, if you are applying the procedures on a real Enigma, the files will be transferredwhen you press the enter button.

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Appendix A: Example screens

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Appendix B: List of Acronyms

A/C aircraft

AC alternating currentADC analog to digital converter AGL above ground levelAHRS attitude and heading reference systemALT altitudeAOA angle of attackAPI application programming interfaceARS attitude reference systemASI airspeed indicatorASL above sea level

ATC air traffic control

CDI course-deviation indicator / capacitor discharge ignitionCEP circular error probabilityCG center of gravityCHT cylinder head temperatureCOM communications

DA density altitudeDME distance measuring equipment

DCDI Ducati double CDI

EFIS electronic flight instrument systemEGNOS European Geostationary Navigation Overlay ServiceEGT exhaust gas temperatureEIS engine indication systemEPR engine pressure ratioETA estimated time of arrivalETD estimated time of departureETE estimated time en route

FAA Federal Aviation AdministrationFE fuel enduranceFF fuel flowFIR flight information regionFL fuel level / flight levelFR fuel rangeFT flight time

GLS GPS ILS

GMT Greenwich Mean Time

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GPS Global Positioning SystemGTA ground track angle

HITS highway-in-the-sky

HSI horizontal situation indicatorHUD head-up display

IFR instrument flight rulesILS instrument landing systemIMC Instrument meteorological conditionsIMU inertial measurement unitINS inertial navigation systemIOX Input/Output ExtenderISA International Standard Atmosphere

MAP manifold pressureMHA minimum holding altitudeMIA minimum IFR altitudesMSA minimum safe altitudeMSL mean sea level

NMEA National Marine Electronics AssociationNOTAM notice to airmenNTC negative temperature coefficientNTCA non-type certified aircraft

OAT outside air temperatureOM outer marker

PIC pilot in command

QNH Queens Nautical Height / Atmospheric Pressure (Q) at Nautical HeightQNE 1013.25 Mb Altimeter Subscale Setting (ISA)

RDAC remote data acquisition computerRPM revolutions per minuteRTC real time clockRTOS real time operating systemSBAS Satellite Based Augmentation System (example WAAS and EGNOS)

SP sensor packageSTOL short take-off and landing

TAE track angle error

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TAS true airspeedTC thermocoupleTCAS traffic alert and collision avoidance systemTTFF time to first fix

UTC Coordinated Universal Time

VFR visual flight rulesVMC visual meteorological conditionsVNE velocity never exceedVOR VHF omnidirectional rangeVSI vertical speed indicator

W&B weight and balanceWAAS Wide Area Augmentation SystemWYPT waypoint

Sources of acronyms:http://acronyms.thefreedictionary.com/http://www.gps.tc.faa.gov/glossary.htmlhttp://www.faa.gov/airports_airtraffic/airports/resources/acronyms/
http://acronyms.thefreedictionary.com/http://www.gps.tc.faa.gov/glossary.htmlhttp://www.faa.gov/airports_airtraffic/airports/resources/acronyms/http://acronyms.thefreedictionary.com/http://www.gps.tc.faa.gov/glossary.htmlhttp://www.faa.gov/airports_airtraffic/airports/resources/acronyms/

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